Balagangadharan, M., D. Subramaniam, M. Swaminathan, R. Saranyan, V. L. Kathiresan, and R. Arassappan. “Relationship Between Chronic Periodontitis and Metabolic Syndrome: A Case-Control Study”. International Journal of Research in Medical Sciences, vol. 3, no. 5, Jan. 2017, pp. 1257-61, https://www.msjonline.org/index.php/ijrms/article/view/1478.